Merge branch 'master' into splitup-yambar-modules

examples/scripts/pacman.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+#
+# pacman.sh - display number of packages update available
+#             by default check every hour
+#
+# USAGE: pacman.sh
+#
+# TAGS:
+#  Name      Type  Return
+#  -------------------------------------------
+#  {pacman}  int   number of pacman packages
+#  {aur}     int   number of aur packages
+#  {pkg}     int   sum of both
+#
+# Exemples configuration:
+#  - script:
+#      path: /absolute/path/to/pacman.sh
+#      args: [] 
+#      content: { string: { text: "{pacman} + {aur} = {pkg}" } }
+#
+# To display a message when there is no update:
+#  - script:
+#      path: /absolute/path/to/pacman.sh
+#      args: [] 
+#      content:
+#        map:
+#          tag: pkg
+#          default: { string: { text: "{pacman} + {aur} = {pkg}" } }
+#          values:
+#            0: {string: {text: no updates}}
+
+
+declare interval aur_helper pacman_num aur_num pkg_num
+
+# Error message in STDERR
+_err() {
+  printf -- '%s\n' "[$(date +'%Y-%m-%d %H:%M:%S')]: $*" >&2
+}
+
+# Display tags before yambar fetch the updates number
+printf -- '%s\n' "pacman|int|0"
+printf -- '%s\n' "aur|int|0"
+printf -- '%s\n' "pkg|int|0"
+printf -- '%s\n' ""
+
+
+while true; do
+  # Change interval
+  # NUMBER[SUFFIXE]
+  # Possible suffix:
+  #  "s" seconds / "m" minutes / "h" hours / "d" days 
+  interval="1h"
+  
+  # Change your aur manager
+  aur_helper="paru"
+
+  # Get number of packages to update
+  pacman_num=$(checkupdates | wc -l)
+
+  if ! hash "${aur_helper}" >/dev/null 2>&1; then
+    _err "aur helper not found, change it in the script"
+    exit 1
+  else
+    aur_num=$("${aur_helper}" -Qmu | wc -l)
+  fi
+  
+  pkg_num=$(( pacman_num + aur_num ))
+
+  printf -- '%s\n' "pacman|int|${pacman_num}"
+  printf -- '%s\n' "aur|int|${aur_num}"
+  printf -- '%s\n' "pkg|int|${pkg_num}"
+  printf -- '%s\n' ""
+
+  sleep "${interval}"
+
+done
+
+unset -v interval aur_helper pacman_num aur_num pkg_num
+unset -f _err
+